Finding the Fourth Proportional to 86,759.91, 119,727.84 and 48,519.02
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Solution
The fourth proportional to 86,759.91, 119,727.84 and 48,519.02 is: 66,955.78
Step by Step Solution
- Step 1: Write the proportion equation
86,759.91 : 119,727.84 = 48,519.02 : x - Step 2: Convert to fraction form
86,759.91/119,727.84 = 48,519.02/x - Step 3: Cross multiply
86,759.91x = 119,727.84 × 48,519.02 - Step 4: Simplify right side
86,759.91x = 5,809,077,762.84 - Step 5: Solve for x
x = 5,809,077,762.84/86,759.91 - Step 6: Final answer
x = 66,955.78
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.